Protests are raising tensions in Africa's most populous country, with agitators and federal troops clashing on the streets. But is Nigeria on the brink of another civil war?

Thousands of copper nails representing thousands of Indigenous children who died in Canada’s residential schools were hammered into the Reconciliation Pole before its raising at the University of British Columbia in Vancouver, B.C., on April 1, 2017.
THE CANADIAN PRESS/Darryl Dyck14 septembre 2017

Professor of Comparative Political Science and Democracy Research at the Humboldt University Berlin; Associate of the Sydney Democracy Network, University of Sydney; Director of Research Unit Democracy: Structures, Performance, Challenges, WZB Berlin Social Science Center.